content: /*
   * Copyright (C) 2015 Bilibili
   * Copyright (C) 2015 Zhang Rui <bbcallen@gmail.com>
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package tv.danmaku.ijk.media.player.misc;
  
  import android.annotation.TargetApi;
  import android.media.MediaFormat;
  import android.media.MediaPlayer;
  import android.os.Build;
  
  public class AndroidTrackInfo implements ITrackInfo {
      private final MediaPlayer.TrackInfo mTrackInfo;
  
      public static AndroidTrackInfo[] fromMediaPlayer(MediaPlayer mp) {
          if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN)
              return fromTrackInfo(mp.getTrackInfo());
  
          return null;
      }
  
      private static AndroidTrackInfo[] fromTrackInfo(MediaPlayer.TrackInfo[] trackInfos) {
          if (trackInfos == null)
              return null;
  
          AndroidTrackInfo androidTrackInfo[] = new AndroidTrackInfo[trackInfos.length];
          for (int i = 0; i < trackInfos.length; ++i) {
              androidTrackInfo[i] = new AndroidTrackInfo(trackInfos[i]);
          }
  
          return androidTrackInfo;
      }
  
      private AndroidTrackInfo(MediaPlayer.TrackInfo trackInfo) {
          mTrackInfo = trackInfo;
      }
  
      @TargetApi(Build.VERSION_CODES.KITKAT)
      @Override
      public IMediaFormat getFormat() {
          if (mTrackInfo == null)
              return null;
  
          if (Build.VERSION.SDK_INT < Build.VERSION_CODES.KITKAT)
              return null;
  
          MediaFormat mediaFormat = mTrackInfo.getFormat();
          if (mediaFormat == null)
              return null;
  
          return new AndroidMediaFormat(mediaFormat);
      }
  
      @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
      @Override
      public String getLanguage() {
          if (mTrackInfo == null)
              return "und";
  
          return mTrackInfo.getLanguage();
      }
  
      @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
      @Override
      public int getTrackType() {
          if (mTrackInfo == null)
              return MEDIA_TRACK_TYPE_UNKNOWN;
  
          return mTrackInfo.getTrackType();
      }
  
      @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
      @Override
      public String toString() {
          StringBuilder out = new StringBuilder(128);
          out.append(getClass().getSimpleName());
          out.append('{');
          if (mTrackInfo != null) {
              out.append(mTrackInfo.toString());
          } else {
              out.append("null");
          }
          out.append('}');
          return out.toString();
      }
  
      @TargetApi(Build.VERSION_CODES.JELLY_BEAN)
      @Override
      public String getInfoInline() {
          if (mTrackInfo != null) {
              return mTrackInfo.toString();
          } else {
              return "null";
          }
      }
  }
  